Metal-working machine



Filed March 13, 1924 5 Sheets-She l i 16 M .Z 77

ATTORNEYS.

INVENTOR Corban /7. Zz'ler BY" Nov. 3, 1925.

c. ZILER METAL WORKING MACHINE Filed March 13, 1924 s Sheets-Sheet 2 25 III INVENTOR C rban H Zzler /.g A?IRNEY$.

Nov. 3, 1925- Y 1,559,835

C. H. ZILER METAL WORKING MACHINE Filed March 13, 1924 3 Sheets-$11061: 5

53 F'zgQY INVENTOR Cor'bcm H Zz'ler ATTORNEYS.

Patented Nov. 3, 1925.

UNITED STATES PATENT OFFICE.

CORBAN H. 0F DETROIT, MICHIGAN, .ASSIGNOR TO L. A. YOUNG INDUSTRIES, INCOREO'RATED, OF DETROIT, MICHIGAN.

.ME'I'AL-WOBKING momma.

Application filed March 13, 1924. Serial. No. 698,918.

To all whom it may concern:

Be it known that I, CORBAN H. ZILER, a citizen of the United States, residing at Detroit, county of \Vayne, State of Michi an, have invented certain new and useful mprovements in Metal-Working Machines, of.

which the following is a specification.

This invention relates to improvements in metal working machines. M improvements are especially designed by me for embodiment in machines for forming and applying metal ferrules or coupling sleeves to the ends of abutting rods or wires and I have herein illustrated and described the same in a form in which I have embodied my improvements for that purpose. Certain features of my invention are, however, desirable and-readily adapted for use in other relations.

The main objects of this invention are:

First, to provide a machine of the class referred to in which the ferrule stock is automatically fed to the machine, cut off, and the ferrules formed and applied.

Second, to provide a structure of the class described which enables the performance of a large amount of work, it only being necessary for the operator to introduce and remove the work.

Third, to provide an improved structure of the class described which is not likely to become clogged or out of repair.

Further objects, and objects pertaining to details and economies of construction and operation will definitely appear from the detailed description to follow.

I accomplish the objects of my invention by the devices and means described in the following specification. The invention is .clearly defined and pointed out in the claims.

A structure which is a preferred embodiment of my invention is clearly illustrated in the accompanying drawing forming a part of this application, in which:

Fig. I, Sheet 1, is a detail view mainly in vertical transverse section on a line corresponding to line 1-1 of Fig. II of a machine embodying the features of my in vention.

Fig. II, Sheet 2, is a plan view of the structure shown in Fig. I.

Fig. III, Sheet 2, is a fragmentary end belt 22.

elevation showing details of the stock feedin means.

1g. IV, Sheet 3, is a detail section on a line correspondm to line 44 of Fig. I showing further details of the stock feed- 111%?1183115.

g. V, Sheet 3, 1s a detail view in vertical section on a line corresponding to line 5-5 of Fig. IV.

Fig. VI, Sheet 1, is a fragmentary view partially in vertical section on a line corresponding to line 6-6 of Fig. I. Fig. VII, Sheet 3, is a detail view on a line corresponding to line 7-7 of Fig. VI

showing details of the stock feeding and ferrule forming means, the male forming member being shown in its partially actuated position.

Fig. VIII, Sheet 3, is a detail section similar to that of Fig. VII with the male formmg member in its fully actuated position.

Fig IX, Sheet 3, is a horizontal section on a line corresponding to line 9-+9 of Fig. VII, the ferrule stockin the female forming member being partially broken away.

Fig. X, Sheet 3, is a detail section on a line corresponding to line 10-10 of Fig. VIII, showing details of the ferrule swedgmg or locking means.

F1g. XI, Sheet 3, is an enlarged detail plan view of a completed piece of work.

Fig. XII, Sheet 1, is a detail section on a line corresponding to line 12-12 of Fig. VI showing details of the stripper.

In the drawing the sectional views are taken looking in the direction of the little arrows at the ends of the section linesand similar numerals of reference refer to similar parts throughout the several views.

I have shown my improvements as embodied in a conventional type of press commonly used for metal stamping and forming operations.

I provide a female die or forming member 15 which is mounted in the bed plate 16 of the machine. The coacting male die member 17 is reciprocatingly mounted on the plunger or cross head 18 which is conne ted to the crank shaft 19 by the connecting rod 20. The crank shaft 19 is provided with a driving pulley 23 for the driving not The. movable die member 17 is provided with a cutter 24 which is clamped to the stock supporting plate 25 the latter having a slot 26 in the upper surface thereof so that the stock is supported and guided be- --tween;the-cutter and this supporting block as shown in Figs. I and IV. The stock is fed through the guide 26 and against the stock stop screw 28 which is threaded into constituting a clutch member.

the mem r 17 for adjustment and is held in its adjusted position by the lock nut 29, see Fig. I.

" An inclined guide member 30 on the forming member 17 directs the stock against the end of the stop screw The stock 27 in the form of a strip or ribbon, from a roll or bale not illustrated, is fed through the guide 26 with a step by step movement. The

' eed means illustrated comprises the oscillating feed arm 31 on the rockshaft 32 which is journaled in the frame 33 of the machine.

The stock 27 passes through an opening 34 in the feed. arm, the bottom of the opening 7 A coacting clutch member 36 is pivoted at 37 and held yieldingly in engagement with the stock by the spring 38. This member 36 is arranged" so that on the forward movement of the arm it clutches the stock against the coactingarest or support and on the rearward movement of the arm slides over the stock.

To prevent retracting of the stock I pro- I vide a stock gripping dog 40 which is pivoted in the support 41 on the movable forming member 17 and held in engagement with the stock by the spring 42 so that the stock can slide under the same on the forward movement of the stock. The stock is automatically gripped and retracting movement thereof prevented '(see Figs. I and IV).

In the embodiment illustrated the feed arm is actuated by means of the actuating arm 45 on the rock shaft 32, the arm being connected by the link 46 to an actuating lever 47 pivoted at 48 and provided with a roller 49 coacting with a cam 50 on the driving shaft, 19 of the machine. The lever 47 is held against the cam by means of the the section 52, the section 52 having a head.

or thrust collar 55 for the spring.

In practice the cam 50 is designed so as to swing the lever 47 slightly in excess of the amount of movement necessary tofeed the desired length of stock, the spring 54 yielding as the stock comes in contact withthe stop pin 28.. This excess of movement compensates forany slipping that is likely to occur in the feed clutch and insures the feeding of the required amount of stock.

As the member 17 moves downwardly forming recess.

with the stock held against the sto 28 by means of the clutch 42, the stock is ought into coacting relation with the shear block 59 which, coacting with the cutter 24, severs the stock, see Fig. VIII.- The stock guide 30 continues carrying the front end of the severed stock downwardly until it comes to rest upon the inclined guide member 61 of the female forming member which has a slot-like forming recess 63, the guide 61 extending upwardly from the rear wall of this The position assumed by the severed stock when the male forming member is fully actuated is shown by dotted lines in Fig. VIII.

When the member 17 is retracted the blank 60 drops into the forming recess 63. The stationary die member is provided with swedges 64 disposed so that their upper ends project into the bottom of the forming groove, the" edges of the swedges being inclined forwardy so that the lower edge of the ferrule blank is guided to the front of the forming recess as shown in Fig. VII. The swedges are shouldered at 65 so that they are effectively supported.

The upper end of the blank is supported in spaced relation to the rear wall of the recess by the work supporting balls 66 which project through openings provided therefor in the rear wall of the recess. These work supporting balls are yieldingly supported by the springs 67, the balls and springs being retained in the bore 68 by the threaded plugs 69, see Figs. VII and IX.

The ends of the wires or rods 70 to be joined are placed in the machine when the member 17 is in retracted position, see Figs. I and VI. The rear wall of the forming recess preferably projects above the front wall to assist in positioning the work.

The driving crank shaft 19 is automatically disengaged from the driving clutch shown conventionally at 72, Fig. II, at the end of each stroke. The details of this clutch are not illustrated.

With the wire in Workin position the operator engages the clutch t ereby actuatmg the reciprocating die member. As the work is pressed downwardly upon the severed stock or clipped blank 60 the oblique position of the blank forces the workto the front of the groove, see Fig. VII. When the blank is supported by the balls 66 away from the rear wall of the groove, the movable forming member, which has a longitudinal transverse groove in itsface, effectively-engages the upper edge of the blank.

As the movable forming member continues its downward stroke the upper edge of the blank is forced over the wire, the lower. edge remaining in its original position at one side of the bottom of the forming recess, the upper edge finally being brought to position adjacent the lower edge wrapping the cli around the work thereby forming a ferru e embracing the abutting ends of the work as shown in Fig. XI.

In addition to the guiding function of the swedges they indent or swed e the ferrule upon the work asshown at ,5 in Fig. XI. The work supcporting balls 66, being yieldingly supporte move back into the bore 68 and are held in their retracted position until-the movable forming member is retracted.

Inasmuch as the position of the lower edge of the blank 60 is determined, it resting in the angle formed by the swedges and the front wall of the formm recess, the ferrule is always brou ht to t e same position relative to the in entations 75, thereby insurin a uniform production. The forming an applying of a ferrule" is accomplished by each complete reciprocation of the movable forming member.

With'the member 17 in its retracted (position the assembled work may be rea ily removed from the machine. To assist in removingthe work I provide a pair of strippers 78 mounted on the plunger 77 which are yieldingly supported by the coiled springs 80. These strippers are disposed at the ends of the stationary forming membar and have forwardly openin recesses 79 adapted to receive the work, t ese recesses also facilitating the guiding of the work to position and in supporting it when in position. The upward movement of these forming members is determined by the adjustable stop nuts 81, see Fig. I.

Adjustment of the cutter block is provided for by means of the elongated hole 82 adapted to receive the adjusting screws 83 by which the cutter is carried. This provides adjustment for wear and convenience in assembling.

I have illustrated and described my improvements in a form or embodiment which I have found very practical, the machine being automatic and of large capacity, and a high quality of work is produced. The structure is especially designed for connecting the ends of frame wires and the like for upholstery structures, although it Will be understood that it is of general application. I have not, however, attempted. to illustrate or describe other embodiments or adaptations of my improvements as I believe the disclosure made will enable those skilled in the art to embody or adapt my invention as may be desired.

Having thus described my invention what I claim as new and desire to secure by Letters Patent is:

1. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a slot-like forming recess and a forwardly inclined work guide extending upwardly from the rear wall of said recess and a shear block at the upper end of said guide, spaced swedges having forwardly inclined faces projectin into the bottom of said forming recess, said swedges constituting stock guides, stock supported to proporting balls yieldingly sup ject from the rear wall of said recess, a coacting reciprocatingly mounted male forming member having a longitudinal transversely curved groove in its face, an adjustable work stop on said male forming member, said male forming member having a downwardly facing forwardly inclined stock guide above said stop, and a cutter mounted on said male forming member to coact with said shear block.

I 2. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a slot-like forming recess and a forwardly inclined work guide extending upwardly from the rear wall of said recess and a shear block at the upper end of said guide, spaced swedges having forwardly inclined faces projecting into the bottom of said forming recess, said swedges constituting stock guides, a coacting reciprocatingly mounted male forming member having a longitudinal transversely curved groove in its face, an adjustable work stop on said male forming member, said male forming member having a downwardly facing forwardly inclined stock guide above said stop, and a cutter mounted on said male forming member to coact with said shear block.

3. In a structure of the class described, the combination of means for feeding stock with a step by step'movement, a female forming member provided with a slot-like forming recess and a forwardly inclined work guide extending upwardly from the rear wall of said recess and a shear block at the upper end of said guide, stock supporting balls yieldingly supported to project from the rear wall of said recess, a coacting reciprocatingly mounted male forming member having a longitudinal transversely curved groove in its face, an adjustable work stop on said male forming member, said male forming member having a downwardly facing forwardly inclined stock guide above said stop, and a cutter mounted on said male forming member to coact with said shear block.

4. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a slot-like forming recess and a forwardly inclined work guide extending upwardly from the rear wall of said recess and a' shear block at the upper end of said guide, a coacting reciprocatingly mounted male forming Ill member having a longitudinal transversely curved groove in its face, an adjustable work stop on said male forming member; said male forming member having a downwardly facing forwardly inclined stock guide above said stop, and a cutter mounted on said male forming member to coact with said shear block.-

5. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a slot-like forming recess and a forwardly inclined work guide above said recess, a shear block, stock supporting members yieldingly supported to project from the rear wall of said recess, a coacting reciprocatingly mounted male forming member, an adjustable stock stop on said male forming member, said male forming member having a downwardly facing forwardly inclined stock guide above said stop, and a cutter mounted on said male forming member to coact with said shear block.

6. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a forming recess, a shear block, a coacting reciprocatingly mounted male forming member, an adjustable stock stop on said male forming member, and a cutter mounted on said male forming memberto coact with said shear block.

7. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a forming recess, a shear block, swedges projecting into the bottom of said forming recess, a coacting reciprocatingly mounted male forming member, an adjustable stock stop on said male forming member, and a cutter mounted on said male forming member to coact with said shear block.

8. In a structure of the class described, the combination of a female forming member provided with a slot-like forming re cess and a forwardly inclined work guide extending upwardly at the rear of said recess, swedges having forwardly inclined faces projecting into the bottom of said recess, said swedges constituting stock guides, stock supporting balls yieldingly supported to project from the rear wall of said recess, a coacting reciprocatingly mounted male forming member having a longitudinal transversely curved groove in its face, and means for delivering the stock to said guide.

9. In a structure of the class described, the combination of a female forming member provided with a slot-like forming recess, swedges having forwardly inclined faces project-ing into the bottom of said recess,

recess, a shear bloc -ma1e forming member having a longitudinal transversely curved groove in its face.

\ 10. In-a structure of'the class described,

the combination of a female forming member rovided with a forming recess, a forwar ly inclined stock guide extending upwardly from the rear wall of said forming recess, such guide being of a width to permit the Work to slide across the same to the recess, means for delivering the stock 'upon the guide so that it slides edgewise therefrom into said forming recess, and a coacting reciprocatingly mounted male forming member.- 7

11. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a forming recess, a shear block disposed so that the severed stock is discharged into said recess, a coacting reciprocatingly mounted male forming member, a cutter mounted on said reciprocating forming member to coact with said shear block, and spring actuated strippers disposed at the ends of said female forming member and having forwardly fac ing recesses ada ted to receive the work and constituting guides facilitating the introduction and removal of the work.

12. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a forwardly inclined work guide extending upwardly from the rear of said recess and terminating in a shear block at its upper end so that the severed stock is discharged edgewise into said forming recess, a eoacting reciprocatingly mounted male forming member, and a cutter mounted on said reciprocating forming member to coact with said shear block.

13. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a forming recess, a shear block, swedges projecting into the bottom of said forming recess, a coacting reciprocatingly mounted male forming member, and a cutter mounted on said male forming member to coact with said shear block, said forming members being pro- I vided with coacting inclined guides whereby the severed stock is directed into said forming recess upon the retraction of the male forming member.

14. In a structure of the class described,

the combination "of means for feeding stock.

with a step by step movement, a female forming member provided with a forming swedges projecting into and having forwardly facing the bottom of said forming recess, a coacting reciprocatingly mounted male forming member, and a cutter mounted on said male forming member to coact with said shear block;

15. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a forming recess, a shear block, a coacting reciprocat inglymounted male forming member, and a cutter mounted on said male forming member to coact with said shear block, said forming members being provided with coacting inclined guides whereby the severed stock is directed into said forming recess upon the retraction of the male forming member.

16. In a structure of the class described, the combination of means for feeding stock with a step by step movement, a female forming member provided with a forming recess, a shear block and co-acting cutter, there being an inclined facebetween said shear block and recess whereby the stock is guided edgewise into said recess, swedges projecting into the bottom of said recess and inclined in the same direction as said face, and a reciprocatingly mounted male forming member.

17. In a structure of the class described,

the combination of a female forming member-provided with a slotlike forming recess, a coacting reciprocating male forming member, and spring actuated strippers disposed at the ends of said female forming member recesses adapted to receive the work and constituting guides facilitating the introduction of the work.

18. In a structure of the class described, the combination of a pair of forming members, one of said forming members being mounted for reciprocatory movement, driving means therefor comprising a driving shaft, a stock guide mounted on said reciprocating member, an adjustable stock stop carried by said reciprocating member, a clutch mounted on said reciprocating member to hold it against retracting movement while permitting its forward feed, a feed means. for said stock comprising a rockshaft,

a feed arm on said rockshaft provided with a clutch adapted to engage the stock on the forward movement of the arm releasing it on the rearward movement thereof, means for actuating said rockshaft comprising an jactuating lever, a cam on said driving shaft for actuating said lever, an actuating arm on said rockshaft, and a link connection for ward feed, a feed means for said stock comprising a rockshaft, a feed arm on said-rockshaft provided with a clutch adapted to engage the stock on the forward movement of the arm releasing it on the rearward movement thereof, means for actuating said rockshaft comprising an actuating lever, a cam on said driving shaft for actuating said lever, an actuating arm on said-rockshaft, and a link connection for said lever and actuating arm.

20. In a structure of the class described, the combination of a pair of forming members, one of said forming members being mounted for reciprocatory movement, a

stock guide mounted on said reciprocatory member, an adjustable stop for said stock carried by said reciprocatory member, a clutch mounted on said reciprocatory member to coact with the stock to hold it against retracting movement while permitting its forward feed. a feed arm on said rockshaftprovided with a clutch adapted to engage the stock on the forward movement of the arm releasing it on the rearward movement thereof, means for actuating said arm having an adjustable and a yieldable element therein whereby the stroke of the feed arm may be regulated and the stock is fed yieldingly against said stock stop.

21-. In a structure of the class described, the combination of a pair of forming members, one of said forming members being mounted for reciprocatory movement, a

stock guide mounted on said reciprocating member, a clutch mounted on saidreciprocating member to coact with the stock to hold it against retracting movement while permitting its forward feed. and a. feed arm on said rockshaft provided with a clutch adapted to engage the stock on the forward movement of the arm releasing it on the rearward movement thereof. I

In witness whereof I have hereunto set my hand.

CORBAN H. ZILER. [n s.] 

